code: def mix_text(src_text: str, dst_text: str):
      """Mix text from different sources by concatenating them."""
      if src_text == dst_text:
          return src_text
      return src_text + " " + dst_text
  
imports: from dataclasses import dataclass, fields, replace
  import json
  from pathlib import Path
  import random
  import typing
  import numpy
  import torch
  from .info_audio_dataset import InfoAudioDataset, get_keyword_or_keyword_list
  from ..modules.conditioners import ConditioningAttributes, SegmentWithAttributes, WavCondition
label_desc: Use image node_id 7 for calling a global function with example usage: mix_text(src_text, dst_text) and returns: unknown, src_text